src/bin2char.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 int
   5 main(int argc, char **argv)
   6 {
   7         int c;
   8         unsigned int n;
   9         char *name;
  10
  11         if (argc == 1) {
  12                 fprintf(stderr, "bin2char <varname>\n");
  13                 fprintf(stderr, "read from standard input and write a char"
  14                     " array out to standard output\n");
  15                 exit(1);
  16         }
  17
  18         n = 0;
  19         name = argv[1];
  20         fprintf(stdout, "/* autogenerated from %s */\n", argv[0]);
  21         fprintf(stdout, "unsigned const char %s[] = {\n", name);
  22         while ((c = getc(stdin)) != EOF) {
  23                 fprintf(stdout, "0x%02x,", c & 0xff);
  24                 if ((++n % 16) == 0)
  25                         fprintf(stdout, "\n");
  26         }
  27         fprintf(stdout, "0 /* terminate with a nil */};\n");
  28         fprintf(stdout, "unsigned int %s_len = %u;\n", name, n);
  29         return 0;
  30 }